137490833 has 2 divisors, whose sum is σ = 137490834. Its totient is φ = 137490832.

The previous prime is 137490817. The next prime is 137490841. The reversal of 137490833 is 338094731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94614529 + 42876304 = 9727^2 + 6548^2 .

It is a cyclic number.

It is not a de Polignac number, because 137490833 - 2⁴ = 137490817 is a prime.

It is not a weakly prime, because it can be changed into another prime (137490863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68745416 + 68745417.

It is an arithmetic number, because the mean of its divisors is an integer number (68745417).

Almost surely, 2^137490833 is an apocalyptic number.

It is an amenable number.

137490833 is a deficient number, since it is larger than the sum of its proper divisors (1).

137490833 is an equidigital number, since it uses as much as digits as its factorization.

137490833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 137490833 is about 11725.6485108501. The cubic root of 137490833 is about 516.1285872771.

The spelling of 137490833 in words is "one hundred thirty-seven million, four hundred ninety thousand, eight hundred thirty-three".